How to Buy a Computer :: Essays Papers

How to Buy a ComputerEven though calculating machines atomic number 18 a great techno system of logical bargain, you can still get burned, and its outdo to declare a plan before acquiring one. Many data processor shoppers make these mistakes they, buy a computer, therefore they buy some programs, then they learn how to use the programs, then they learn about the computer itself. This is just now backwards. I would like to take you through these four steps, in the enlighten order learn a bit about computers, learn a bit about programs, select the type of programs you want, and how to choose a computer.A computer is different from other machines because it needs a program to notify it what to do. Some companies make computers, while others write programs. This means if a authentic kind of computer becomes usual, more programs impart be written for it, and this will make the machine even more popular. Eventually one computer has become the standard. In the real world this computer is the IBM dead ringer. In nice the industry standard most programs are written for IBMs and you have a greater selection and diversity to select from.Another popular computer model is Macintosh. So far, no keep company other than orc warm apple tree makes this computer, generally because Apple prevents other companies from doing so. As you would expect, because only one company builds the Macintosh, it is more expensive than the IBM clone. On the other hand, many Macintosh owners influence it easier to learn and use. I will focus my attention on IBM clone computers since they are the standard.A computer has to do many tasks. It has to accept your inputs, each from a keyboard or a mouse, it has to do some processing, both logic and arithmetic, under the direction of a program, it has to parade its results, it has to keep some discipline temporarily in its depot, and it has to store information permanently on magnetic disc drives. When you shop for a computer, you will want to notice the size of the hard disk in gigabytes (10 or more recommended), the size and quality of the display screen (17 inch recommended), the kind of processor (Pentium III recommended), the amount of memory (128 megabytes recommended), the measure speed (100 MHz recommended), and the modem for getting on the Internet (56K recommended). The computers clock keeps everything synchronized, and generally the faster the clock, the faster the computer can process information.